EP1859155B1 - Zweiteiliger kolben für einen verbrennungsmotor - Google Patents
Zweiteiliger kolben für einen verbrennungsmotor Download PDFInfo
- Publication number
- EP1859155B1 EP1859155B1 EP05820654A EP05820654A EP1859155B1 EP 1859155 B1 EP1859155 B1 EP 1859155B1 EP 05820654 A EP05820654 A EP 05820654A EP 05820654 A EP05820654 A EP 05820654A EP 1859155 B1 EP1859155 B1 EP 1859155B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- projections
- remote
- crown
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 5
- 238000001816 cooling Methods 0.000 claims description 25
- 238000005192 partition Methods 0.000 claims description 15
- 210000001331 nose Anatomy 0.000 claims 3
- 230000000694 effects Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/0015—Multi-part pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/0015—Multi-part pistons
- F02F3/003—Multi-part pistons the parts being connected by casting, brazing, welding or clamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/005—Pistons; Trunk pistons; Plungers obtained by assembling several pieces
Definitions
- the invention relates to a two-part piston for an internal combustion engine according to the preamble of claim 1.
- Fig. 1 shows in a two halves Schitt picture whose left half in the direction of the piston pin axis 12 and the right half is perpendicular thereto, a two-part, cooled piston 1, which consists of a piston upper part 2 with a piston head 13 and a piston lower part 6.
- the upper piston part 2 has a combustion bowl 3 formed in the piston head 13 and, on its radial outer side, an annular wall 4 with a ring part 5.
- the lower piston part 6 comprises a box-shaped piston shaft 7 and two pin bosses 8 connected thereto, each with a pin bore 9 for receiving a piston pin, not shown in the figures.
- the piston lower part 6 is delimited by a partition 14, which has a thin-walled and elastically yielding partition wall region 14 'near the piston axis 15, into which a centrally disposed opening 16 is introduced, which is an element of a rotary closure which connects the upper piston part 2 with the lower piston part 6.
- annular support rib 17 On the bottom side facing away from the piston bottom 13, an outer cooling channel 10, 10 ' is formed radially outward in the upper piston part 2, the radially outside of the annular wall 4 and radially inward from the piston head 13 and partly from a piston bottom side mounted on the partition wall 14, annular support rib 17 is limited, which forms an annular support 18 for the piston upper part 2.
- the piston bottom facing away from the bottom of the outer cooling channel 10 may, as shown in the left half of the sectional view Fig. 1 is shown closed by a formed on the support rib 17, circumferential, disc-shaped cover 19.
- an annular plate spring 20 are used, which bears under bias with its radially inner side on a mounted on the radial outer side of the support rib 17, circumferential support 21 and with its radial outer side in a recess 22, in the piston bottom 13 facing away from the end surface 23rd the annular wall 4 is formed.
- Both the cover 19 and the plate spring 20 have in the figures, not shown ⁇ lzu- and oil drain holes on the cooling oil in the cooling channel 10, 10 'on and is derived again.
- the upper side of the cooling channel 10 may have cooling fins 25, as shown in the left half of the sectional view. Furthermore, it is possible to improve the cooling effect of flowing through the cooling channel 10 'cooling oil, characterized in that in the top of the cooling channel 10' holes 26 are introduced, as the right half of the sectional view according to Fig. 1 shows.
- the support rib 17 is adjoined by an inner cooling channel 11, the upper side of which is from the piston bottom 13 and the underside of the partition wall region 14 'are formed.
- the inner cooling channel 11 is delimited by the support rib 17 and radially inwardly by a coaxial with the piston axis 15 lying, cylindrical Anformung 24, which is integrally formed on the underside of the piston head 13.
- overflow channels are arranged, via which the cooling oil is passed from the outer to the inner cooling channel.
- the cooling oil located in the inner cooling channel 11 is discharged via the opening 16 in the piston interior.
- Fig. 2 shown section along the line II-II in Fig. 1 shows a plan view of the molded into the partition area 14 'opening 16, which, as well as in Fig. 1 is indicated, two opposing recesses 30 has. Shown are also the cylindrical Anformung 24 in section and arranged at kolbenêtabgewanden end of Anformung 24, hook-shaped projections 27 partly in plan view and partly dashed. In Fig. 2 These are drawn in a position in which they engage behind the edge of the opening 16. When mounting the upper piston part 2 on the lower piston part 6, both parts 2, 6 have a position to take each other, in which the hook-shaped projections 27 by 90 ° relative to the in Fig.
- Fig. 3 shows a further embodiment of the rotary closure, wherein at the end facing away from the piston bottom 13 of the cylindrical Anformung 24 two opposing projections 28 'are mounted, which are formed by a dowel pin 28 in a through hole in the spherical end 24' of the cylindrical Anformung 24th is arranged and the projections 28 'forming on both sides protrudes beyond the bore.
- the projections 28 ' engage behind the edge of the opening 16 when the piston 1 is fully assembled. Because of the chosen form of representation, in which the right half of Fig. 3 shows a section perpendicular to the half-section of the left half of Fig. 3 is in the left half of Fig. 3 the dowel pin 28 in side view and in the right half of Fig. 3 shown in cross section.
- Fig. 4 shows in an enlarged partial section, the opening 16, whose lower edge as a guide 29 for in Fig. 4 not shown projections 27, 28 'is formed.
- the recesses 30 are arranged, which have radial dimensions which are greater than the radial dimensions of the projections 27, 28 ', so that at that position of the piston upper part 2 relative to the piston lower part 6, in which the projections 27, 28th point in the direction of the recesses 30, the cylindrical Anformung 24 with the projections 27, 28 'can be easily inserted into the opening 16.
- the upper piston part 2 is rotated, so that the projections 27, 28 'are forced to overcome two radially opposite latching lugs 31, 31' of the arranged on both sides of the recesses 30 locking lugs 31, 31 ', wherein the inner partition wall area 14th 'is briefly deflected towards the piston head 13.
- the Latches 31, 31 ' serve here as a safeguard against loosening the rotary closure.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004058968A DE102004058968A1 (de) | 2004-12-08 | 2004-12-08 | Zweiteiliger Kolben für einen Verbrennungsmotor |
PCT/DE2005/002137 WO2006060987A1 (de) | 2004-12-08 | 2005-11-28 | Zweiteiliger kolben für einen verbrennungsmotor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1859155A1 EP1859155A1 (de) | 2007-11-28 |
EP1859155B1 true EP1859155B1 (de) | 2008-09-24 |
Family
ID=36061455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05820654A Not-in-force EP1859155B1 (de) | 2004-12-08 | 2005-11-28 | Zweiteiliger kolben für einen verbrennungsmotor |
Country Status (9)
Country | Link |
---|---|
US (1) | US7946216B2 (zh) |
EP (1) | EP1859155B1 (zh) |
JP (1) | JP2008523290A (zh) |
KR (1) | KR20070090909A (zh) |
CN (1) | CN100535424C (zh) |
BR (1) | BRPI0518609A2 (zh) |
DE (2) | DE102004058968A1 (zh) |
ES (1) | ES2315938T3 (zh) |
WO (1) | WO2006060987A1 (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007027162A1 (de) * | 2007-06-13 | 2008-12-18 | Mahle International Gmbh | Zweiteiliger Kolben für einen Verbrennungsmotor |
US8171842B2 (en) * | 2007-06-20 | 2012-05-08 | Mahle International Gmbh | Two-piece twist lock piston |
EP2028357B1 (en) * | 2007-08-24 | 2011-03-16 | ThyssenKrupp Metalúrgica Campo Limpo Ltda. | Piston for an internal-combustion engine and method for manufacturing a piston of this type |
DE102007061601A1 (de) * | 2007-12-20 | 2009-06-25 | Mahle International Gmbh | Kolben für einen Verbrennungsmotor sowie Verfahren zu seiner Herstellung |
DE102008055909A1 (de) | 2008-11-05 | 2010-05-06 | Mahle International Gmbh | Mehrteiliger Kolben für einen Verbrennungsmotor |
BRPI1008304A2 (pt) | 2009-02-27 | 2017-03-28 | Federal-Mogul Corp | pistão, e, método para construir um pistão |
US9856820B2 (en) | 2010-10-05 | 2018-01-02 | Mahle International Gmbh | Piston assembly |
US8973484B2 (en) | 2011-07-01 | 2015-03-10 | Mahle Industries Inc. | Piston with cooling gallery |
DE102011106554A1 (de) | 2011-07-05 | 2013-01-10 | Mahle International Gmbh | Kolben für einen Verbrennungsmotor und Verfahren zu seiner Herstellung |
DE102011106556A1 (de) | 2011-07-05 | 2013-01-10 | Mahle International Gmbh | Kolben für einen Verbrennungsmotor und Verfahren zu seiner Herstellung |
WO2014059221A1 (en) * | 2012-10-12 | 2014-04-17 | Mahle International Gmbh | Piston with cooling gallery and cooling gallery fins |
US9291119B2 (en) * | 2013-03-14 | 2016-03-22 | Mahle International Gmbh | Piston assembly with preloaded support surfaces |
DE102014000253A1 (de) * | 2014-01-08 | 2015-07-09 | Mahle International Gmbh | Kolben für einen Verbrennungsmotor und Verfahren zu seiner Herstellung |
JP6283751B2 (ja) * | 2014-12-02 | 2018-02-21 | 日立オートモティブシステムズ株式会社 | 内燃機関用ピストンの製造装置及び製造方法 |
CN105756801A (zh) * | 2016-01-29 | 2016-07-13 | 马勒技术投资(中国)有限公司 | 一种适应高爆压的含双铸铁圈及内冷油道的汽油机活塞 |
DE102016224280A1 (de) * | 2016-06-02 | 2017-12-07 | Mahle International Gmbh | Kolben einer Brennkraftmaschine |
DE102017207005A1 (de) * | 2017-04-26 | 2018-10-31 | Federal-Mogul Nürnberg GmbH | Einteiliger, gegossener Kolben für einen Verbrennungsmotor |
CN107387253A (zh) * | 2017-09-05 | 2017-11-24 | 湖南江滨机器(集团)有限责任公司 | 一种活塞及其制造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1789570A (en) * | 1925-11-05 | 1931-01-20 | Perfect Circle Co | Piston and piston ring |
US2051547A (en) | 1934-03-05 | 1936-08-18 | Cleveland Graphite Bronze Co | Piston |
US2409852A (en) * | 1945-03-19 | 1946-10-22 | John L Harrah | Piston for internal-combustion engines |
US2638080A (en) * | 1950-05-15 | 1953-05-12 | Pielstick Gustav | Piston cooling for internalcombustion engines |
JPS54163208A (en) | 1978-06-15 | 1979-12-25 | Toyota Motor Co Ltd | Builttup piston for engine |
DE4203384C2 (de) | 1992-02-06 | 1994-10-20 | Hunger Walter Dr Ing E H | Kolben einer Kolbenmaschine |
DE4308751A1 (de) * | 1993-03-19 | 1994-09-22 | Kolbenschmidt Ag | Kolben-Pleuel-Anordnung für Brennkraftmaschinen |
DE19815989A1 (de) | 1998-04-09 | 1999-10-21 | Uti Holding & Man Ag | Kolben-Zylinder-Anordnung |
DE10042422C1 (de) * | 2000-08-30 | 2002-04-04 | Andreas Mozzi | Geteilter Kolben und Kolbenbodenhaltefeder |
DE10116084A1 (de) | 2001-03-30 | 2002-10-10 | Mozzi Andreas | Motor mit separatem Kolbenboden |
DE20220644U1 (de) * | 2002-09-20 | 2003-12-04 | Graul, Niklas-Simon | Vorrichtung zum Abfüllen von Sandsäcken |
-
2004
- 2004-12-08 DE DE102004058968A patent/DE102004058968A1/de not_active Withdrawn
-
2005
- 2005-11-28 BR BRPI0518609-9A patent/BRPI0518609A2/pt not_active IP Right Cessation
- 2005-11-28 ES ES05820654T patent/ES2315938T3/es active Active
- 2005-11-28 KR KR1020077012980A patent/KR20070090909A/ko not_active Application Discontinuation
- 2005-11-28 DE DE502005005495T patent/DE502005005495D1/de active Active
- 2005-11-28 US US11/792,659 patent/US7946216B2/en not_active Expired - Fee Related
- 2005-11-28 JP JP2007544727A patent/JP2008523290A/ja active Pending
- 2005-11-28 WO PCT/DE2005/002137 patent/WO2006060987A1/de active IP Right Grant
- 2005-11-28 EP EP05820654A patent/EP1859155B1/de not_active Not-in-force
- 2005-11-28 CN CNB2005800419989A patent/CN100535424C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
BRPI0518609A2 (pt) | 2008-11-25 |
US20070289568A1 (en) | 2007-12-20 |
EP1859155A1 (de) | 2007-11-28 |
DE502005005495D1 (de) | 2008-11-06 |
WO2006060987A1 (de) | 2006-06-15 |
US7946216B2 (en) | 2011-05-24 |
CN100535424C (zh) | 2009-09-02 |
DE102004058968A1 (de) | 2006-06-14 |
KR20070090909A (ko) | 2007-09-06 |
ES2315938T3 (es) | 2009-04-01 |
CN101091052A (zh) | 2007-12-19 |
JP2008523290A (ja) | 2008-07-03 |
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